68672079

素因数分解:

$3^2\times 7^2\times {\mathrm{155719}}^1$

素因数の和:155739

約数の個数: 18

約数和(自身を含む): 115388520

約数和(自身を除く): 46716441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 155719, 467157, 1090033, 1401471, 3270099, 7630231, 9810297, 22890693, 68672079]

約数ペア:

[(1, 68672079), (3, 22890693), (7, 9810297), (9, 7630231), (21, 3270099), (49, 1401471), (63, 1090033), (147, 467157), (441, 155719)]